The Clue of the Broken Blade - Hardy Boys #21
"We've got to find that missing half of the sword, Joe. Without it, Mr. Russo will never be able to claim his rightful inheritance!" - Frank Hardy
Step into the golden age of mystery with this exceptional vintage Hardy Boys adventure! This 1970 blue spine edition of "The Clue of the Broken Blade" captures the essence of those thrilling Saturday morning adventures that kept young detectives glued to their favorite reading spots. Like discovering a hidden treasure in your grandmother's attic, this collectible hardcover brings back the magic of simpler times when the Hardy Boys ruled the world of young adult mysteries.
This isn't just another book - it's a portal to Bayport, where Frank and Joe Hardy tackle their most intriguing case yet. The 1970 revised edition represents a pivotal moment in Hardy Boys history, transforming the original 1942 story into a more modern adventure while preserving the classic mystery elements that made the series legendary.
Product Details
- Title and Number: The Clue of the Broken Blade, #21
- Author: Franklin W. Dixon
- Year Published: 1970 (Revised Edition)
- ISBN: 0448089211
- Condition: Very Good
- Cover: Distinctive matte blue with red spine numeral and red front bar
- Endpapers: Classic "Tweed" patterned design
- Edition Notes: Highly sought-after blue spine series edition, revised text version
- Historical Significance: Part of the complete Hardy Boys modernization project
Story Synopsis & Collector's Value
In this thrilling adventure, Frank and Joe Hardy find themselves drawn into a mystery involving a family sword and a rightful inheritance. When fencing instructor Ettore Russo needs help locating the missing half of an ancestral blade, the Hardy Boys spring into action. Set against the backdrop of California's grape country, this revised 1970 version offers a fresh take on the classic mystery formula that made the series a household name.
What makes this edition particularly special for collectors is its place in Hardy Boys history. The 1970 revision marked a significant evolution from the original 1942 version, featuring updated language, contemporary references, and a completely reimagined plot structure. While original 1942 first editions command prices upward of $500, this accessible 1970 blue spine edition offers collectors the perfect entry point into serious Hardy Boys collecting.
The blue spine series represents the most recognizable and beloved era of Hardy Boys publishing. With its distinctive cover design and quality construction, this edition has maintained strong appeal among readers, earning a 4.6/5 rating on Amazon and 3.83/5 on Goodreads from thousands of mystery fans.
Collector's Q&A
Q: What makes the 1970 blue spine edition special for Hardy Boys collectors?
A: The 1970 blue spine edition represents the most sought-after era of Hardy Boys collecting. This revised version features the iconic matte blue cover, red spine numeral, and updated storytelling that modernized the series for a new generation while maintaining the classic mystery appeal.
Q: How does this revised edition differ from the original 1942 version?
A: The 1970 revision completely reimagined the story, changing from a truck hijacking plot to a family inheritance mystery set in California's wine country. The revision also featured updated language, contemporary references, and enhanced character development while preserving the core Hardy Boys adventure spirit.
Q: Who is GoFigment and why should I trust them with my collectible purchase?
A: GoFigment is a small business owned and operated by collectors who understand the value of vintage Hardy Boys books. Our commitment is simple: we only offer items we would proudly display in our own collection. Every piece is personally sourced, authenticated, and handled with the reverence it deserves.

Grosset & Dunlap, Inc.
21 The Clue of the Broken Blade (1970): Hardy Boys Book
The Clue of the Broken Blade - Hardy Boys #21
"We've got to find that missing half of the sword, Joe. Without it, Mr. Russo will never be able to claim his rightful inheritance!" - Frank Hardy
Step into the golden age of mystery with this exceptional vintage Hardy Boys adventure! This 1970 blue spine edition of "The Clue of the Broken Blade" captures the essence of those thrilling Saturday morning adventures that kept young detectives glued to their favorite reading spots. Like discovering a hidden treasure in your grandmother's attic, this collectible hardcover brings back the magic of simpler times when the Hardy Boys ruled the world of young adult mysteries.
This isn't just another book - it's a portal to Bayport, where Frank and Joe Hardy tackle their most intriguing case yet. The 1970 revised edition represents a pivotal moment in Hardy Boys history, transforming the original 1942 story into a more modern adventure while preserving the classic mystery elements that made the series legendary.
Product Details
- Title and Number: The Clue of the Broken Blade, #21
- Author: Franklin W. Dixon
- Year Published: 1970 (Revised Edition)
- ISBN: 0448089211
- Condition: Very Good
- Cover: Distinctive matte blue with red spine numeral and red front bar
- Endpapers: Classic "Tweed" patterned design
- Edition Notes: Highly sought-after blue spine series edition, revised text version
- Historical Significance: Part of the complete Hardy Boys modernization project
Story Synopsis & Collector's Value
In this thrilling adventure, Frank and Joe Hardy find themselves drawn into a mystery involving a family sword and a rightful inheritance. When fencing instructor Ettore Russo needs help locating the missing half of an ancestral blade, the Hardy Boys spring into action. Set against the backdrop of California's grape country, this revised 1970 version offers a fresh take on the classic mystery formula that made the series a household name.
What makes this edition particularly special for collectors is its place in Hardy Boys history. The 1970 revision marked a significant evolution from the original 1942 version, featuring updated language, contemporary references, and a completely reimagined plot structure. While original 1942 first editions command prices upward of $500, this accessible 1970 blue spine edition offers collectors the perfect entry point into serious Hardy Boys collecting.
The blue spine series represents the most recognizable and beloved era of Hardy Boys publishing. With its distinctive cover design and quality construction, this edition has maintained strong appeal among readers, earning a 4.6/5 rating on Amazon and 3.83/5 on Goodreads from thousands of mystery fans.
Collector's Q&A
Q: What makes the 1970 blue spine edition special for Hardy Boys collectors?
A: The 1970 blue spine edition represents the most sought-after era of Hardy Boys collecting. This revised version features the iconic matte blue cover, red spine numeral, and updated storytelling that modernized the series for a new generation while maintaining the classic mystery appeal.
Q: How does this revised edition differ from the original 1942 version?
A: The 1970 revision completely reimagined the story, changing from a truck hijacking plot to a family inheritance mystery set in California's wine country. The revision also featured updated language, contemporary references, and enhanced character development while preserving the core Hardy Boys adventure spirit.
Q: Who is GoFigment and why should I trust them with my collectible purchase?
A: GoFigment is a small business owned and operated by collectors who understand the value of vintage Hardy Boys books. Our commitment is simple: we only offer items we would proudly display in our own collection. Every piece is personally sourced, authenticated, and handled with the reverence it deserves.

